<template>
<div>
  <!-- 面包屑导航区 -->
  <el-breadcrumb separator="/">
    <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
    <el-breadcrumb-item>商品管理</el-breadcrumb-item>
    <el-breadcrumb-item>商品列表</el-breadcrumb-item>
  </el-breadcrumb>
  <!-- 卡片视图 -->
  <el-card>
    <el-row :gutter="20">
      <el-col :span="8">
        <el-input placeholder="请输入内容" clearable @clear="getGoodList" v-model="queryInfo.query">
          <el-button slot="append" icon="el-icon-search" @click="getGoodList"></el-button>
        </el-input>
      </el-col>
      <el-col :span="4">
        <el-button @click="goAddpage" type="primary">添加商品</el-button>
      </el-col>
    </el-row>
    <!-- table表格 -->
    <el-table :data="goodslist" border stripe>
      <el-table-column type="index"></el-table-column>
      <el-table-column label="商品名称" prop="goods_name"></el-table-column>
      <el-table-column width="100px" label="商品价格(元)" prop="goods_price"></el-table-column>
      <el-table-column width="100px" label="商品重量" prop="goods_weight"></el-table-column>
      <el-table-column width="140px" label="创建时间" >
        <template v-slot="scope">
          {{scope.row.add_time|dataFormat}}
        </template>
      </el-table-column>
      <el-table-column width="200px" label="操作" >
        <template v-slot="scope">
          <el-button size="mini" icon="el-icon-edit" type="primary">编辑</el-button>
          <el-button size="mini" @click="removeById(scope.row.goods_id)" icon="el-icon-delete" type="danger">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页区域 -->
     <el-pagination
     background
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[10, 15, 20, 30]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
  </el-card>
</div>
</template>

<script>
export default {
  data() {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodslist:[],
      total:0
    }
  },
  created() {
    this.getGoodList()
  },
  methods: {
    // 根据分类获取商品列表
    async getGoodList() {
      const {data:res} = await this.$http.get('goods',{params:this.queryInfo})
      if(res.meta.status!==200)
      return this.$message.error('获取商品列表失败')
      // this.$message.success('获取商品列表成功')
      this.goodslist = res.data.goods
      this.total=res.data.total
      // console.log(this.goodslist)
    },
    handleSizeChange(newSize){
      this.queryInfo.pagesize=newSize
      this.getGoodList()
    },
    handleCurrentChange(newPage){
      this.queryInfo.pagenum = newPage
      this.getGoodList()
    },
   removeById(id){
       this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(async () => {
          const {data:res} = await this.$http.delete(`goods/${id}`)
          if(res.meta.status!==200)
          return this.$message.error('删除失败')
          this.getGoodList()
          this.$message({
            type: 'success',
            message: '删除成功!'
          });
        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          });          
        });
    },
    goAddpage(){
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>
.el-pagination{
  margin: 10px;
}
</style>
